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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:37:59 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class DataLine.Info</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/DataLine.Info.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/sound/sampled/Control.Type.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/sound/sampled/EnumControl.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="DataLine.Info.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.sound.sampled</FONT><BR>Class DataLine.Info</H2><PRE><A HREF="../../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../../javax/sound/sampled/Line.Info.html">javax.sound.sampled.Line.Info</A> | +--<B>javax.sound.sampled.DataLine.Info</B></PRE><DL><DT><B>Enclosing class: </B><DD><A HREF="../../../javax/sound/sampled/DataLine.html">DataLine</A></DD></DL><HR><DL><DT>public static class <B>DataLine.Info</B><DT>extends <A HREF="../../../javax/sound/sampled/Line.Info.html">Line.Info</A></DL><P>Besides the class information inherited from its superclass, <code>DataLine.Info</code> provides additional information specific to data lines. This information includes: <ul> <li> the audio formats supported by the data line <li> the minimum and maximum sizes of its internal buffer </ul> Because a <code>Line.Info</code> knows the class of the line its describes, a <code>DataLine.Info</code> object can describe <code>DataLine</code> subinterfaces such as <code><A HREF="../../../javax/sound/sampled/SourceDataLine.html"><CODE>SourceDataLine</CODE></A></code>, <code><A HREF="../../../javax/sound/sampled/TargetDataLine.html"><CODE>TargetDataLine</CODE></A></code>, and <code><A HREF="../../../javax/sound/sampled/Clip.html"><CODE>Clip</CODE></A></code>. You can query a mixer for lines of any of these types, passing an appropriate instance of <code>DataLine.Info</code> as the argument to a method such as <code><A HREF="../../../javax/sound/sampled/Mixer.html#getLine(javax.sound.sampled.Line.Info)"><CODE>Mixer.getLine(Line.Info)</CODE></A></code>.<P><DL><DT><B>Since: </B><DD>1.3</DD><DT><B>See Also: </B><DD><A HREF="../../../javax/sound/sampled/Line.Info.html"><CODE>Line.Info</CODE></A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#DataLine.Info(java.lang.Class, javax.sound.sampled.AudioFormat)">DataLine.Info</A></B>(<A HREF="../../../java/lang/Class.html">Class</A> lineClass, <A HREF="../../../javax/sound/sampled/AudioFormat.html">AudioFormat</A> format)</CODE><BR> Constructs a data line's info object from the specified information, which includes a single audio format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#DataLine.Info(java.lang.Class, javax.sound.sampled.AudioFormat[], int, int)">DataLine.Info</A></B>(<A HREF="../../../java/lang/Class.html">Class</A> lineClass, <A HREF="../../../javax/sound/sampled/AudioFormat.html">AudioFormat</A>[] formats, int minBufferSize, int maxBufferSize)</CODE><BR> Constructs a data line's info object from the specified information, which includes a set of supported audio formats and a range for the buffer size.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#DataLine.Info(java.lang.Class, javax.sound.sampled.AudioFormat, int)">DataLine.Info</A></B>(<A HREF="../../../java/lang/Class.html">Class</A> lineClass, <A HREF="../../../javax/sound/sampled/AudioFormat.html">AudioFormat</A> format, int bufferSize)</CODE><BR> Constructs a data line's info object from the specified information, which includes a single audio format and a desired buffer size.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/sound/sampled/AudioFormat.html">AudioFormat</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#getFormats()">getFormats</A></B>()</CODE><BR> Obtains a set of audio formats supported by the data line.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#getMaxBufferSize()">getMaxBufferSize</A></B>()</CODE><BR> Obtains the maximum buffer size supported by the data line.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#getMinBufferSize()">getMinBufferSize</A></B>()</CODE><BR> Obtains the minimum buffer size supported by the data line.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#isFormatSupported(javax.sound.sampled.AudioFormat)">isFormatSupported</A></B>(<A HREF="../../../javax/sound/sampled/AudioFormat.html">AudioFormat</A> format)</CODE><BR> Indicates whether this data line supports a particular audio format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#matches(javax.sound.sampled.Line.Info)">matches</A></B>(<A HREF="../../../javax/sound/sampled/Line.Info.html">Line.Info</A> info)</CODE><BR> Determines whether the specified info object matches this one.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/String.html">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/sound/sampled/DataLine.Info.html#toString()">toString</A></B>()</CODE><BR> Obtains a textual description of the data line info.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.sound.sampled.Line.Info"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class javax.sound.sampled.<A HREF="../../../javax/sound/sampled/Line.Info.html">Line.Info</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/sound/sampled/Line.Info.html#getLineClass()">getLineClass</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.<A HREF="../../../java/lang/Object.html">Object</A></B></TD></TR>⌨️ 快捷键说明
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